A solution for traffic congestion in cities is 1)Build more houses in the suburbs
2)Less public transit options
3)A toll to enter the downtown core
4)Less walkability in cities

Are there any words that will you

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.